diff --git a/.github/workflows/e2e-attestationconfigapi.yml b/.github/workflows/e2e-attestationconfigapi.yml
index 2fdc318d0..70153ec0e 100644
--- a/.github/workflows/e2e-attestationconfigapi.yml
+++ b/.github/workflows/e2e-attestationconfigapi.yml
@@ -15,7 +15,7 @@ jobs:
   e2e-api:
     strategy:
       fail-fast: false
-      max-parallel: 2
+      max-parallel: 1
       matrix:
         attestationVariant: ["azure-sev-snp", "azure-tdx", "aws-sev-snp", "gcp-sev-snp"]
     runs-on: ubuntu-22.04